make login visible on firefox
make login visible on firefox

a strange bug - see https://bugzilla.mozilla.org/show_bug.cgi?id=713845
is preventing the login box from showing.
It seems by setting the hash via the src parameter we can get it to
render.

TiddlySpace/tiddlyspace,FND/tiddlyspace,FND/tiddlyspace,TiddlySpace/tiddlyspace,TiddlySpace/tiddlyspace,FND/tiddlyspace